#include<stdio.h>
#include<stdlib.h>
int main(int argc,char *argv[])
{
	float x,y,a;
	for(y=1.5;y>-1.5;y-=0.1)
	{
	
		for(x=-1.5;x<1.5;x+=0.05)
		{
		a=x*x+y*y-1;
		putchar(a*a*a-x*x*y*y*y <=0.0 ? '@' : ' ');
		}
		system("color 0c");
		putchar('\n');
	}
	printf("\n\n");
	return 0; 
} 
